TW200704625A - Process for making xylene isomer using a deheptanizer with a side draw recycle - Google Patents

Process for making xylene isomer using a deheptanizer with a side draw recycle

Info

Publication number
TW200704625A
TW200704625A TW095121133A TW95121133A TW200704625A TW 200704625 A TW200704625 A TW 200704625A TW 095121133 A TW095121133 A TW 095121133A TW 95121133 A TW95121133 A TW 95121133A TW 200704625 A TW200704625 A TW 200704625A
Authority
TW
Taiwan
Prior art keywords
aromatics
recovering
deheptanizer
xylene isomer
side draw
Prior art date
Application number
TW095121133A
Other languages
Chinese (zh)
Other versions
TWI341302B (en
Inventor
Michael Anthony Schultz
Gregory Francis Maher
Original Assignee
Uop Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Uop Llc filed Critical Uop Llc
Publication of TW200704625A publication Critical patent/TW200704625A/en
Application granted granted Critical
Publication of TWI341302B publication Critical patent/TWI341302B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
    • C07C15/02—Monocyclic hydrocarbons
    • C07C15/067—C8H10 hydrocarbons
    • C07C15/08—Xylenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2702—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
    • C07C6/08—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond
    • C07C6/12—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring
    • C07C6/123—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring of only one hydrocarbon
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/04—Purification; Separation; Use of additives by distillation
    • C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
    • C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation

Abstract

In processes for recovering one or more xylene isomers and isomerizing the remaining isomers for recycle, the isomerate (118) is distilled to provide a toluene-containing overhead (122), a mid-boiling fraction containing C8 aromatics (124) and a bottoms fraction containing C8 aromatics and C9+ aromatics (126). The mid-boiling fraction (124) is recycled to the unit (110) for recovering the sought xylene isomers and has sufficiently low content of C9+ aromatics that the separation feed (108) to the unit for recovering the sought xylene isomers (110) contains up to 500 ppm-mass C9+ aromatics. The processes provide a high quality xylene isomer product while achieving at least one of debottlenecking, energy savings and capital savings.
TW095121133A 2005-06-15 2006-06-14 Process for making xylene isomer using a deheptanizer with a side draw recycle TWI341302B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/153,686 US7371912B2 (en) 2005-06-15 2005-06-15 Process for making xylene isomer using a deheptanizer with a side draw recycle

Publications (2)

Publication Number Publication Date
TW200704625A true TW200704625A (en) 2007-02-01
TWI341302B TWI341302B (en) 2011-05-01

Family

ID=37570954

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095121133A TWI341302B (en) 2005-06-15 2006-06-14 Process for making xylene isomer using a deheptanizer with a side draw recycle

Country Status (7)

Country Link
US (1) US7371912B2 (en)
JP (1) JP5043002B2 (en)
KR (1) KR101200142B1 (en)
CN (1) CN101198573A (en)
MX (1) MX2007015770A (en)
TW (1) TWI341302B (en)
WO (1) WO2006138063A2 (en)

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CN103288569B (en) 2007-04-04 2015-09-23 埃克森美孚化学专利公司 The method and apparatus that p-Xylol is produced
KR101047928B1 (en) 2007-05-08 2011-07-08 주식회사 엘지화학 Separation method of raw materials including low boiling point, middle boiling point and high boiling point material
US7498471B2 (en) * 2007-05-23 2009-03-03 Uop Llc Process for producing cumene
US7525005B2 (en) * 2007-05-23 2009-04-28 Uop Llc Process for producing cumene
US7713386B2 (en) * 2007-05-23 2010-05-11 Uop Llc Apparatus for producing ethylbenzene or cumene
US7525006B2 (en) * 2007-05-23 2009-04-28 Uop Llc Process for producing cumene
CN101367724B (en) * 2008-09-18 2012-07-18 中国石油大学(华东) Method and apparatus for synthesis of isopropyl acetate
US8840762B2 (en) * 2010-08-25 2014-09-23 Uop Llc Energy conservation in heavy-hydrocarbon distillation
US8916740B2 (en) * 2010-08-25 2014-12-23 Uop Llc Energy conservation in heavy-hydrocarbon distillation
BR112013003733A2 (en) * 2010-08-25 2016-05-31 Uop Llc distillation process and distillation apparatus
US8754281B2 (en) * 2010-08-25 2014-06-17 Uop Llc Energy conservation in heavy-hydrocarbon distillation
US8822747B2 (en) 2011-12-21 2014-09-02 Uop Llc Combined xylene isomerization and transalkylation process unit
CN103664489B (en) * 2012-09-05 2016-04-13 中国石油化工股份有限公司 Produce the rectificating method of para-xylene product
US8716545B1 (en) * 2012-12-12 2014-05-06 Uop Llc Methods and apparatuses for separating toluene from multiple hydrocarbon streams
CN105579424B (en) * 2013-07-31 2019-03-08 环球油品公司 For separating stream to provide the method and system of the exchange feeding flow of the alkyl in aromatic compounds combined unit
US20150094507A1 (en) * 2013-09-27 2015-04-02 Uop Llc Apparatuses and methods for isolating c8 aromatics
US9266796B2 (en) * 2013-09-27 2016-02-23 Uop Llc Systems and methods for producing desired xylene isomers
US9950972B2 (en) * 2013-09-27 2018-04-24 Uop Llc Apparatuses and methods for forming C8 aromatic streams with selected amounts of C9 aromatics
US9504934B2 (en) 2013-10-27 2016-11-29 Purdue Research Foundation Multicomponent dividing wall columns
TWI717316B (en) * 2014-01-24 2021-02-01 美商Ｇｔｃ科技美國有限責任公司 Separation system for carrying out absorption/distillation
CN105992751B (en) * 2014-02-13 2019-03-22 Bp北美公司 For separating the fractionation process for turning the energy efficient of reactor effluent of alkylation process from TOL/A9+
WO2016003611A1 (en) * 2014-06-30 2016-01-07 Exxonmobil Chemical Patents Inc. Process for the production of para-xyxlene
KR101917491B1 (en) 2014-06-30 2018-11-09 엑손모빌 케미칼 패턴츠 인코포레이티드 Process for the production of xylene
CN106458794B (en) * 2014-06-30 2020-02-14 埃克森美孚化学专利公司 Process for producing xylene
CN105272805B (en) * 2014-07-18 2018-05-18 中国石油化工股份有限公司 A kind of method for producing paraxylene
CN106573855B (en) * 2014-08-15 2019-12-13 埃克森美孚化学专利公司 Process for producing aromatic hydrocarbons
US9708233B2 (en) * 2014-08-15 2017-07-18 Exxonmobil Chemical Patents Inc. Aromatics production process
US9815754B2 (en) * 2014-08-29 2017-11-14 Uop Llc Transalkylation/disproportionation or thermal hydrodealkylation hydrocarbon processing methods and systems employing an increased ethylbenzene feed content
CN107427735B (en) * 2015-02-17 2020-08-11 Gtc科技美国有限责任公司 Top divided wall column technology for improved xylene processing
US9527007B2 (en) * 2015-05-29 2016-12-27 Uop Llc Processes and apparatuses for separating streams to provide a transalkylation feed stream in an aromatics complex
US10023509B2 (en) 2016-09-30 2018-07-17 Uop Llc Processes and apparatuses for production of aromatic products
KR102560529B1 (en) * 2017-09-19 2023-07-27 술저 매니지멘트 에이지 Use of an upper dividing wall in an isomerization unit
CN113461471B (en) * 2020-03-30 2023-10-10 中国石油化工股份有限公司 Production device and production process of paraxylene
US11745116B2 (en) * 2021-10-01 2023-09-05 Manish Bhargava Apparatus for a dividing wall column in an isomerization unit

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US4341914A (en) * 1980-12-22 1982-07-27 Uop Inc. Transalkylation process with recycle of C10 hydrocarbons
US4697039A (en) * 1985-09-13 1987-09-29 Uop Inc. Xylene producing process having staged catalytic conversion of ethylbenzene
JPS63196528A (en) * 1985-09-13 1988-08-15 ユ−オ−ピ−　インコ−ポレイテツド Manufacture of xylene by use of both isomerizing/transalkylating zone
JPH08143483A (en) * 1994-03-03 1996-06-04 Mitsubishi Oil Co Ltd Production of paraxylene and production unit therefor
DE10046609A1 (en) * 2000-09-20 2002-04-04 Basf Ag Method and device for the separation of C5 + cuts by distillation
US6483002B1 (en) * 2000-09-26 2002-11-19 Uop Llc Integrated fractional distillation for adsorptive separation process
US6395950B1 (en) * 2000-11-10 2002-05-28 Uop Llc Isomerization with adsorptive separation and dividing wall fractional distillation
US6540907B1 (en) * 2001-07-09 2003-04-01 Uop Llc Fractionation for full boiling range gasoline desulfurization
AU2002232649A1 (en) * 2001-12-18 2003-06-30 Uop Llc Adsorptive separation product recovery by fractional distillation
US6740788B1 (en) * 2002-12-19 2004-05-25 Uop Llc Integrated process for aromatics production

Also Published As

Publication number Publication date
JP2008543834A (en) 2008-12-04
KR101200142B1 (en) 2012-11-12
WO2006138063A2 (en) 2006-12-28
MX2007015770A (en) 2008-02-15
US20060287563A1 (en) 2006-12-21
KR20080019287A (en) 2008-03-03
JP5043002B2 (en) 2012-10-10
WO2006138063A3 (en) 2007-02-15
US7371912B2 (en) 2008-05-13
CN101198573A (en) 2008-06-11
TWI341302B (en) 2011-05-01

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees